2011-02-21 Hui Zhu <teawater@gmail.com>

	* agentexpr.texi (Bytecode Descriptions): Add printf.
	* gdb.texinfo (Tracepoint Action Lists): Add printf.

diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog
index 58f2814..ee9a63f 100644 (file)
--- a/gdb/doc/ChangeLog
+++ b/gdb/doc/ChangeLog
@@ -1,3 +1,8 @@
+2011-02-21  Hui Zhu  <teawater@gmail.com>
+
+       * agentexpr.texi (Bytecode Descriptions): Add printf.
+       * gdb.texinfo (Tracepoint Action Lists): Add printf.
+
 2011-02-18  Tom Tromey  <tromey@redhat.com>
 
        * agentexpr.texi (Bytecode Descriptions): Document pick and rot.

diff --git a/gdb/doc/agentexpr.texi b/gdb/doc/agentexpr.texi
index f2d51b7..5a360df 100644 (file)
--- a/gdb/doc/agentexpr.texi
+++ b/gdb/doc/agentexpr.texi
@@ -489,6 +489,13 @@ named @code{trace_quick16}, for consistency.
 Record the value of trace state variable number @var{n} in the trace
 buffer.  The handling of @var{n} is as described for @code{getv}.
 
+@item @code{printf} (0x31) @var{n} @var{template}: @result{}
+Print the values in the stack under the control of the string template.
+The end of @var{template} is 0x00.
+If @var{n} is 0, just output the string template.
+If @var{n} is 1, pop a value from the stack and print it under the control
+of the string template.
+
 @item @code{end} (0x27): @result{}
 Stop executing bytecode; the result should be the top element of the
 stack.  If the purpose of the expression was to compute an lvalue or a

diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index e16065b..f8b7e2d 100644 (file)
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -10242,6 +10242,12 @@ state variables (@pxref{Trace State Variables}) without adding those
 values to the trace buffer, as would be the case if the @code{collect}
 action were used.
 
+@kindex printf
+@item printf @var{template}, @var{expressions}@dots{}
+Print the values of one or more @var{expressions} under the control of
+the string @var{template} in @code{gdbserver} part.
+The command format is with simple @code{printf} (@pxref{Output, printf}).
+
 @kindex while-stepping @r{(tracepoints)}
 @item while-stepping @var{n}
 Perform @var{n} single-step instruction traces after the tracepoint,